﻿/*  
 * tranche.NET - a DSL for modeling structured finance products.
 * Copyright (C) 2012 Timothy Goric
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
*/
using System;

namespace AbstractSyntaxTree
{
    public class StatementList : Statement
    {
        public bool IsEmpty { get; set; }
        public Statement Head { get; set; }
        public StatementList Tail { get; set; }

        public StatementList ()
        {
            IsEmpty = true;
        }
        public StatementList (Statement statement, StatementList tail)
        {
            IsEmpty = false;
            Head = statement;
            Tail = tail;
        }

        public override String Print (int depth)
        {
            if (IsEmpty)
                return "";

            if (Tail == null)
                return Head.Print(depth) + ";";
            
            return Head.Print(depth) + ";" + NewLine(depth) + Tail.Print(depth);
        }

        public override void Visit (Visitor v)
        {
            v.VisitStatementList(this);
        }
    }
}
